According to our records, this business is located at 100 N 8th St. in East St Louis (in St Clair County), Illinois 62201, the location GPS coordinates are: 38.6224282 (latitude), -90.1566159 (longitude). Southern Illinois Regional is categorized under Health Services (SIC code 8099). Current estimates show that the unit has a sales volume of $448,000 and staff of approximately 4 people. You can contact the company by phone at (618) 874-0349.